python - 如何计算信用卡的固定月供

Question

如何继续以下循环，直到找到mmp = 310？到目前为止，使用我的代码，我能走的最远的是mmp = 240. 你认为我应该再if发表一份声明吗？

balance = 4213
annualInterestRate = 0.2
mir = annualInterestRate/12
monthlyPaymentRate = 0.04


rb = balance
mmp = 0
Month = 1
while Month <= 12: 
    print('Month:' + str(Month))  
    mmp = mmp + 10
    print('Minimum monthly payment:' + str(mmp))
    ub = rb - mmp
    rb = round(ub + (annualInterestRate/12 * ub), 2)
    Month = Month + 1 
    print('Remaining balance:' + str(rb))
if rb > 0:
    rb = balance
    Month = 1
    while Month <= 12:
        print('Month:' + str(Month)) 
        mmp = mmp + 10
        print('Minimum monthly payment:' + str(mmp))
        ub = rb - mmp
        rb = round(ub + (annualInterestRate/12 * ub), 2)
        Month = Month + 1 
        print('Remaining balance:' + str(rb))

else:
    print('Lowest Payment:' + str(mmp)

Answer 1

如果您只想达到该数字while Month <= 12:，则可以使用而不是。while mmp < 310:或者while rb > 0:，如果您想继续循环直到所有费用都付清。

如果需要循环几个月（顺便说一句，如果您提到您的问题是家庭作业，通常会在此处表示赞赏），您可以添加一个多年的外部循环：

year = 1
while rb > 0:
    month = 1
    while month <= 12:
        # do stuff
        month = month + 1
    year = year + 1